[INFO] cloning repository https://github.com/rise-ui/rise
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/rise-ui/rise" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frise-ui%2Frise", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frise-ui%2Frise'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] 46560a8f82c98e06e58c0c70e6fd5db2a7948809
[INFO] checking rise-ui/rise against beta for pr-78714
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Frise-ui%2Frise" "/workspace/builds/worker-8/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-8/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/rise-ui/rise on toolchain beta
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/rise-ui/rise
[INFO] finished tweaking git repo https://github.com/rise-ui/rise
[INFO] tweaked toml for git repo https://github.com/rise-ui/rise written to /workspace/builds/worker-8/source/Cargo.toml
[INFO] crate git repo https://github.com/rise-ui/rise already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+beta" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: two git dependencies found for `https://github.com/rise-ui/jss-rs` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] [stdout] 17e8f1724d983f5283afe2e0ae4b0b740f5d260a613005b8bc6968af56591064
[INFO] running `Command { std: "docker" "start" "-a" "17e8f1724d983f5283afe2e0ae4b0b740f5d260a613005b8bc6968af56591064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "17e8f1724d983f5283afe2e0ae4b0b740f5d260a613005b8bc6968af56591064", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "17e8f1724d983f5283afe2e0ae4b0b740f5d260a613005b8bc6968af56591064", kill_on_drop: false }`
[INFO] [stdout] 17e8f1724d983f5283afe2e0ae4b0b740f5d260a613005b8bc6968af56591064
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-8/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:6eabd152ff4036248d66efda456a36cb33d24b7291b33f25f75140726c88da35" "/opt/rustwide/cargo-home/bin/cargo" "+beta" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 3bf7d991dad0ff8ac2dbf1ec21aa3e6735464f0ec066d6fd8e7e6fbe4e0eca35
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `Command { std: "docker" "start" "-a" "3bf7d991dad0ff8ac2dbf1ec21aa3e6735464f0ec066d6fd8e7e6fbe4e0eca35", kill_on_drop: false }`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: two git dependencies found for `https://github.com/rise-ui/jss-rs` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] [stderr] warning: two git dependencies found for `https://github.com/rise-ui/jss-rs` where one uses `branch = "master"` and the other doesn't; this will break in a future version of Cargo, so please ensure the dependency forms are consistent
[INFO] [stderr]    Compiling serde v1.0.80
[INFO] [stderr]    Compiling khronos_api v3.0.0
[INFO] [stderr]    Compiling byte-tools v0.3.1
[INFO] [stderr]    Compiling quick-error v1.2.2
[INFO] [stderr]    Compiling unicode-width v0.1.5
[INFO] [stderr]    Compiling byteorder v1.2.7
[INFO] [stderr]    Compiling bindgen v0.37.4
[INFO] [stderr]    Compiling ansi_term v0.11.0
[INFO] [stderr]    Compiling termcolor v1.0.4
[INFO] [stderr]    Compiling vec_map v0.8.1
[INFO] [stderr]    Compiling opaque-debug v0.2.2
[INFO] [stderr]    Compiling peeking_take_while v0.1.2
[INFO] [stderr]     Checking binary-space-partition v0.1.2
[INFO] [stderr]     Checking downcast-rs v1.0.3
[INFO] [stderr]    Compiling enum_extract v0.1.1
[INFO] [stderr]     Checking approx v0.1.1
[INFO] [stderr]     Checking thread_profiler v0.1.3
[INFO] [stderr]     Checking interpolation v0.2.0
[INFO] [stderr]     Checking maplit v1.0.1
[INFO] [stderr]     Checking quote v0.3.15
[INFO] [stderr]    Compiling num-rational v0.2.1
[INFO] [stderr]     Checking bit-vec v0.5.0
[INFO] [stderr]     Checking compare v0.0.6
[INFO] [stderr]     Checking safe-transmute v0.10.1
[INFO] [stderr]     Checking multi_mut v0.1.3
[INFO] [stderr]    Compiling libloading v0.5.0
[INFO] [stderr]    Compiling cmake v0.1.35
[INFO] [stderr]    Compiling backtrace-sys v0.1.28
[INFO] [stderr]    Compiling servo-fontconfig-sys v4.0.7
[INFO] [stderr]     Checking unreachable v1.0.0
[INFO] [stderr]    Compiling proc-macro2 v0.3.5
[INFO] [stderr]    Compiling rand_core v0.3.1
[INFO] [stderr]    Compiling rand_jitter v0.1.2
[INFO] [stderr]     Checking stb_truetype v0.2.6
[INFO] [stderr]     Checking fxhash v0.2.1
[INFO] [stderr]    Compiling regex-syntax v0.6.5
[INFO] [stderr]    Compiling clang-sys v0.23.0
[INFO] [stderr]     Checking block-padding v0.1.3
[INFO] [stderr]    Compiling humantime v1.2.0
[INFO] [stderr]     Checking inflate v0.4.4
[INFO] [stderr]     Checking deflate v0.7.19
[INFO] [stderr]     Checking css-color-parser v0.1.2
[INFO] [stderr]    Compiling textwrap v0.10.0
[INFO] [stderr]    Compiling num-traits v0.2.6
[INFO] [stderr]     Checking bit-set v0.5.0
[INFO] [stderr]     Checking smallvec v0.6.8
[INFO] [stderr]    Compiling rand_xorshift v0.1.1
[INFO] [stderr]    Compiling rand_hc v0.1.0
[INFO] [stderr]    Compiling rand_isaac v0.1.1
[INFO] [stderr]    Compiling syn v0.11.11
[INFO] [stderr]     Checking nix v0.12.0
[INFO] [stderr]     Checking memmap v0.7.0
[INFO] [stderr]     Checking shared_library v0.1.9
[INFO] [stderr]     Checking x11-dl v2.18.3
[INFO] [stderr]     Checking atty v0.2.11
[INFO] [stderr]    Compiling rand_chacha v0.1.1
[INFO] [stderr]    Compiling memchr v1.0.2
[INFO] [stderr]    Compiling which v1.0.5
[INFO] [stderr]     Checking approx v0.3.1
[INFO] [stderr]     Checking line_drawing v0.7.0
[INFO] [stderr]     Checking num-integer v0.1.39
[INFO] [stderr]     Checking num-traits v0.1.43
[INFO] [stderr]     Checking generic-array v0.12.0
[INFO] [stderr]    Compiling quote v0.5.2
[INFO] [stderr]     Checking ordered_iter v0.1.1
[INFO] [stderr]    Compiling servo-freetype-sys v4.0.5
[INFO] [stderr]    Compiling expat-sys v2.1.6
[INFO] [stderr]     Checking nom v4.2.0
[INFO] [stderr]     Checking rsx-arena v0.1.0 (https://github.com/rise-ui/dom-lite?branch=master#d8509113)
[INFO] [stderr]     Checking osmesa-sys v0.1.2
[INFO] [stderr]    Compiling wayland-scanner v0.21.11
[INFO] [stderr]    Compiling syn v0.14.9
[INFO] [stderr]    Compiling aho-corasick v0.6.9
[INFO] [stderr]    Compiling nom v3.2.1
[INFO] [stderr]    Compiling clap v2.32.0
[INFO] [stderr]    Compiling block-buffer v0.7.2
[INFO] [stderr]     Checking ordered-float v0.5.2
[INFO] [stderr]    Compiling rand_pcg v0.1.1
[INFO] [stderr]     Checking stable_bst v0.2.0
[INFO] [stderr]    Compiling gl_generator v0.10.0
[INFO] [stderr]     Checking num-iter v0.1.37
[INFO] [stderr]    Compiling serde_derive v1.0.80
[INFO] [stderr]    Compiling derive_more v0.13.0
[INFO] [stderr]     Checking digest v0.8.0
[INFO] [stderr]     Checking dlib v0.4.1
[INFO] [stderr]     Checking rsx-tree v0.1.0 (https://github.com/rise-ui/dom-lite?branch=master#d8509113)
[INFO] [stderr]    Compiling sha2 v0.8.0
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]   --> /opt/rustwide/cargo-home/git/checkouts/dom-lite-d3464e01983aaefb/d850911/rsx-tree/src/lib.rs:12:1
[INFO] [stdout]    |
[INFO] [stdout] 12 | #![feature(conservative_impl_trait)]
[INFO] [stdout]    | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to previous error
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `rsx-tree`
[INFO] [stderr] 
[INFO] [stderr] To learn more, run the command again with --verbose.
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] [stderr] error: build failed
[INFO] running `Command { std: "docker" "inspect" "3bf7d991dad0ff8ac2dbf1ec21aa3e6735464f0ec066d6fd8e7e6fbe4e0eca35", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "3bf7d991dad0ff8ac2dbf1ec21aa3e6735464f0ec066d6fd8e7e6fbe4e0eca35", kill_on_drop: false }`
[INFO] [stdout] 3bf7d991dad0ff8ac2dbf1ec21aa3e6735464f0ec066d6fd8e7e6fbe4e0eca35